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Vehicle and Occupant Response in Heavy Truck to Car Low-Speed Rear Impacts
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Abstract
Despite efforts by industry to reduce the problem of injury in rear impacts, there continues to be a large number of such claims. This is true even in low speed impacts which result in little or no damage to the vehicles involved. Recent studies of such incidents have been described in the literature. These studies have concentrated primarily on simple bumper to bumper impacts where the front bumper of the striking vehicle contacts the rear bumper of the struck vehicle.
Perhaps a more common type of rear impact is one in which the bumper of the striking vehicle rides over or under the rear bumper of the struck vehicle. The heavy truck to car rear impact is an example of an overriding impact. This paper describes several staged impacts of this type in which vehicle and occupant responses were measured using fully instrumented Hybrid III dummies or human volunteers. These impacts often result in significantly greater damage than bumper to bumper impacts at identical speeds, while imparting lower accelerations and forces to the occupants of the struck vehicle.
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Tanner, C., Chen, H., Wiechel, J., Brown, D. et al., "Vehicle and Occupant Response in Heavy Truck to Car Low-Speed Rear Impacts," SAE Technical Paper 970120, 1997, https://doi.org/10.4271/970120.Also In
Occupant Protection and Injury Assessment in the Automotive Crash Environment
Number: SP-1231; Published: 1997-02-24
Number: SP-1231; Published: 1997-02-24
References
- Mertz, H.J. Patrick, L.M. “Strength and Response of the Human Neck,” Proceedings of the Fifteenth Stapp Car Crash Conference , SAE 710855 1971
- James, Michael B. et al. “Occupant Protection in Rear-end Collisions: I. Safety Priorities and Seat Belt Effectiveness,” Proceedings of the Thirty Fifth Stapp Car Crash Conference , SAE 912913 1991
- Svensson, Mats Y. et al. “Rear-End Collisions-A Study of the Influence of Backrest Properties on Head-Neck Motion using a New Dummy Neck,” Seat System, Comfort and Safety SAE 930343 1993
- Scott, Michael W. et al. “Comparison of Human and ATD Head Kinematics During Low-Speed Rearend Impacts,” Human Surrogates: Design, Development & Side Impact Protection SAE 930094 1993
- Matsushita, Tomoyasu et al. “X-Ray Study of the Human Neck Motion Due to Head Inertia Loading,” Proceedings of the Thirty Eighth Stapp Car Crash Conference , SAE 942208 1994
- McConnell, Whitman E. et al. “Human Head and Neck Kinematics After Low Velocity Rear-End Impacts-Understanding “Whiplash,”” Proceedings of the Thirty Ninth Stapp Car Crash Conference , SAE 952724 1995
- El-Habash, N.A. Final Report of 180° Fixed Flat Barrier Impacts of a 1983 Ford Thunderbird 2-Door Coupe in Support of Crash III Damage Algorithm Reformation U.S. Dept. of Transportation 1989